PQ Newsbeat - Mar 14th, 2023
 
 
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Mar
14

PQ Newsbeat

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Case study demonstrates the importance of looking before you leap when investigating PQ problems. The operator of a large solar farm was experiencing nuisance interruptions, causing significant downtime. Read on to see what the power quality investigation uncovered.
Marking Women in Construction Week and recognizing Rosendin’s efforts, EC&M profiles four women who have built careers in the industry and at Rosendin Electric, overcoming varied challenges and obstacles along the way and presenting themselves as evidence of the progress women are making in the industry.
With the 2020 revision of the NEC, Art. 242 replaced two individual Articles that appeared in earlier editions of the Code – Art. 280 [Surge Arrestors] and Art. 285 [Transient Voltage Surge Suppressors (TVSSs)]. Implementing a good strategy for overvoltage protection encompasses the material contained in both of those prior Articles.
Members Webinar: Randy Barnett puts the grounding and bonding rules of the NEC into perspective.
A feeder breaker tripped three times in as many weeks, taking down a large area of the plant. The downtime for each event causes a revenue loss of almost one million dollars. Additional costs of scrap materials and idled operators are not trivial, either. How might you proceed?
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See the category winner's for this year's competition.
Do you know an up-and-coming young electrical professional who has shown extraordinary results on the job? If so, nominate him or her for consideration as an EC&M Under 30 All-Star. The deadline is April 24.
An undervoltage or voltage sag is a disturbance that commonly occurs during electrical faults or when equipment is turning on. They are produced when large currents are being drawn on the system. On the opposite side of this spectrum are overvoltages or voltage swells.
The U.S. Green Building Council (USGBC) recently released its annual ranking of U.S. states leading the way on green building, with Massachusetts topping the list. The USGBC ranking is based on LEED-certified gross square footage per capita over the past year. The LEED rating system is the world’s most widely used green building program and was cre...
Fill in the blank. Receptacles that provide shore power for boats shall be rated not less than _____.
The latest trend toward electrification — a shift in spending from high- to low-emissions assets — could create one of the largest reallocations of capital in a century and present massive opportunities for the electrical industry. As the Inflation Reduction Act (recognized as the largest investment in climate action in U.S. history) gains momentum...
Article 440, Part V provides the requirements for the motor controllers used in HVAC and refrigeration compressors. The text is dense, so let’s break it down.
Take this quiz about circuit breaker safety and enter for a chance to win a $25 gift card to Amazon, iTunes, or Cabela’s!

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